CN221436339U - Wheel claw nut tensioning device - Google Patents
Wheel claw nut tensioning device Download PDFInfo
- Publication number
- CN221436339U CN221436339U CN202323262804.2U CN202323262804U CN221436339U CN 221436339 U CN221436339 U CN 221436339U CN 202323262804 U CN202323262804 U CN 202323262804U CN 221436339 U CN221436339 U CN 221436339U
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- ratchet wheel
- auxiliary
- main
- shaft
- mounting
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- 210000000078 claw Anatomy 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000452 restraining effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a claw nut tensioning device, which relates to the technical field of tensioning tools, and comprises a main body mechanism, a clamping mechanism and a clamping mechanism, wherein the main body mechanism comprises a mounting disc and a main bearing seat arranged on the inner side wall of the mounting disc; the auxiliary mechanism comprises a handle rod arranged on one side outside the mounting plate. According to the wheel claw nut tensioning device, the constraint head is utilized to constraint and fix the bolt head, then the handle rod is rotated, the middle shaft rod is further driven to rotate to drive the first main ratchet wheel, the second main ratchet wheel and the third main ratchet wheel to rotate.
Description
Technical Field
The utility model relates to the technical field of tensioning tools, in particular to a claw nut tensioning device.
Background
Hand tools are widely used in various industrial manufacturing fields, and wrenches are commonly used for unscrewing or screwing screws and nuts, or for installing tool heads (straight, cross, etc.). Generally, a large operation space is required for the common open spanner, if the open spanner is limited in a narrow space, the open spanner needs to be taken down after rotating a micro angle, and a screw or a nut is sleeved again for further rotation, so that a ratchet spanner is developed, and a user can continuously rotate in the narrow environment without taking down the spanner from the screw or the nut.
Through searching, chinese patent publication No. (CN 206550936U) discloses a ratchet wrench which comprises a wrench handle, a main wrench body, a ratchet plate and an elastic pressing device, wherein the head of the wrench handle is cylindrical and provided with a mounting hole, the tail end of the wrench handle is provided with a connecting part, and the connecting part is used for being detachably connected with a plurality of types of auxiliary wrench bodies; the main wrench body is inserted into the mounting hole and can rotate around the axis of the mounting hole, and teeth distributed in the circumferential direction are formed on the peripheral wall of the main wrench body; the middle part of the ratchet wheel piece is hinged with the wrench handle, and a first tooth slot and a second tooth slot which can be clamped with the teeth are respectively formed on two sides of the ratchet wheel piece, which face the main wrench body; the elastic pressing device is arranged on the wrench handle and is used for applying elastic pushing force to the ratchet wheel sheet so as to enable the first tooth socket or the second tooth socket to be clamped with the teeth. According to the technology, different types of wrench bodies can be replaced according to the use requirement, so that the use function of the ratchet wrench is further increased on the premise of saving materials.
The device has the defects in the specific use process, the ratchet wrench is penetrated into the fixing groove of the screw, the nut or the tool head, so that the screw, the nut or the tool head can be penetrated out of the ratchet wrench when in use, the fixing groove is not easy to fix on the screw, the nut or the tool head, the slipping or unsmooth switching can be caused in the rotation process, the practicability is lower, the fixing head is a single head body, and the limitation is higher.
Disclosure of utility model
The utility model aims to provide a claw nut tensioning device which solves the problems in the background art.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
A wheel pawl nut tensioner comprising
The main body mechanism comprises a mounting disc and a main bearing seat arranged on the inner side wall of the mounting disc, a center shaft rod is rotatably connected in the main bearing seat, a first main ratchet wheel, a second main ratchet wheel and a third main ratchet wheel are fixedly arranged on the outer wall of the center shaft rod, and a driving mounting assembly is arranged on one side of the mounting disc;
the auxiliary mechanism comprises a handle rod arranged on one side outside the mounting plate, and one end of the middle shaft rod penetrates through the main bearing seat and extends to one side outside the mounting plate to be fixedly connected with one end of the handle rod.
Preferably, the first main ratchet wheel, the second main ratchet wheel and the third main ratchet wheel are sequentially arranged from inside to outside.
Preferably, the drive installation component comprises a first installation shaft, a second installation shaft, a third installation shaft, a fourth installation shaft, a fifth installation shaft, a first auxiliary ratchet wheel, a second auxiliary ratchet wheel, a third auxiliary ratchet wheel, a fourth auxiliary ratchet wheel and a fifth auxiliary ratchet wheel, wherein the first auxiliary ratchet wheel is fixedly installed on the outer wall of the first installation shaft, the second auxiliary ratchet wheel is fixedly installed on the outer wall of the second installation shaft, the third auxiliary ratchet wheel is fixedly installed on the outer wall of the third installation shaft, the fourth auxiliary ratchet wheel is fixedly installed on the outer wall of the fourth installation shaft, the fifth auxiliary ratchet wheel is fixedly installed on the outer wall of the fifth installation shaft, the first auxiliary ratchet wheel is meshed with the first main ratchet wheel, the second auxiliary ratchet wheel and the third auxiliary ratchet wheel are meshed with the second main ratchet wheel, and the fourth auxiliary ratchet wheel and the fifth auxiliary ratchet wheel are meshed with the third main ratchet wheel.
Preferably, the inner side wall of the mounting disc is fixedly provided with five auxiliary bearing seats in a pentagonal array, and the ends of the first mounting shaft, the second mounting shaft, the third mounting shaft, the fourth mounting shaft and the fifth mounting shaft are respectively and rotatably connected with the five auxiliary bearing seats.
Preferably, the first mounting shaft, the second mounting shaft, the third mounting shaft, the fourth mounting shaft and one end of the fifth mounting shaft far away from the auxiliary bearing seat are fixedly connected with the constraint head.
Preferably, a protective cover is fixedly arranged on one side wall, far away from the handle, of the mounting plate through a screw.
Compared with the prior art, the utility model has the following beneficial effects:
The utility model utilizes the constraint head to constrain and fix the bolt head, then rotates the handle rod, and further rotates the shaft rod to drive the first main ratchet wheel, the second main ratchet wheel and the third main ratchet wheel to rotate, wherein each rotating direction is provided with a ratchet wheel body corresponding to the first main ratchet wheel.
Drawings
FIG. 1 is a schematic view of the external overall structure of a pawl nut tensioner;
FIG. 2 is an isometric view of a pawl nut tensioner;
FIG. 3 is a schematic view of the internal structure of a pawl nut tensioner;
FIG. 4 is a first view of a partial construction of a pawl nut tensioner;
Fig. 5 is a schematic view of a partial structure of a pawl nut tensioner from a second perspective.
In the figure: 100. a main body mechanism; 101. a mounting plate; 102. a main bearing seat; 103. a middle shaft lever; 104. a first main ratchet; 105. a second main ratchet; 106. a third main ratchet; 107. a first mounting shaft; 108. a second mounting shaft; 109. a third mounting shaft; 110. a fourth mounting shaft; 111. a fifth mounting shaft; 112. a first secondary ratchet; 113. a second secondary ratchet; 114. a third set of ratchet wheels; 115. a fourth set of ratchet wheels; 116. a fifth set of ratchet wheels; 117. an auxiliary bearing seat; 118. a constraint head; 200. an auxiliary mechanism; 201. a handle; 202. and a protective cover.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to FIGS. 1-5, the present utility model is a pawl nut tensioner comprising
The main body mechanism 100 comprises a mounting disc 101 and a main bearing seat 102 arranged on the inner side wall of the mounting disc 101, a middle shaft rod 103 is rotationally connected to the main bearing seat 102, a first main ratchet wheel 104, a second main ratchet wheel 105 and a third main ratchet wheel 106 are fixedly arranged on the outer wall of the middle shaft rod 103, and a driving and mounting assembly is arranged on one side of the mounting disc 101;
the auxiliary mechanism 200 comprises a handle 201 arranged on one side outside the mounting plate 101, and one end of a middle shaft 103 penetrates through the main bearing housing 102 and extends to one side outside the mounting plate 101 to be fixedly connected with one end of the handle 201.
As can be seen from fig. 1 to 5, the first main ratchet 104, the second main ratchet 105 and the third main ratchet 106 are installed in this order from the inside to the outside.
The drive mounting assembly comprises a first mounting shaft 107, a second mounting shaft 108, a third mounting shaft 109, a fourth mounting shaft 110, a fifth mounting shaft 111, a first auxiliary ratchet 112, a second auxiliary ratchet 113, a third auxiliary ratchet 114, a fourth auxiliary ratchet 115 and a fifth auxiliary ratchet 116, wherein the first auxiliary ratchet 112 is fixedly mounted on the outer wall of the first mounting shaft 107, the second auxiliary ratchet 113 is fixedly mounted on the outer wall of the second mounting shaft 108, the third auxiliary ratchet 114 is fixedly mounted on the outer wall of the third mounting shaft 109, the fourth auxiliary ratchet 115 is fixedly mounted on the outer wall of the fourth mounting shaft 110, the fifth auxiliary ratchet 116 is fixedly mounted on the outer wall of the fifth mounting shaft 111, the first auxiliary ratchet 112 is meshed with the first main ratchet 104, the second auxiliary ratchet 113 and the third auxiliary ratchet 114 are meshed with the second main ratchet 105, and the fourth auxiliary ratchet 115 and the fifth auxiliary ratchet 116 are meshed with the third main ratchet 106.
Five auxiliary bearing seats 117 are fixedly arranged on the inner side wall of the mounting disc 101 in a pentagonal array, and the ends of the first mounting shaft 107, the second mounting shaft 108, the third mounting shaft 109, the fourth mounting shaft 110 and the fifth mounting shaft 111 are respectively and rotatably connected with the five auxiliary bearing seats 117.
The first mounting shaft 107, the second mounting shaft 108, the third mounting shaft 109, the fourth mounting shaft 110, and the fifth mounting shaft 111 are fixedly connected with a restraining head 118 at one end far away from the auxiliary bearing seat 117.
In use, the operator holds the handle 201, and uses the restraining head 118 to fix and restrain the bolt head, then rotates the handle 201 to rotate the middle shaft 103, further drives the first main ratchet 104, the second main ratchet 105 and the third main ratchet 106 to rotate, and uses the characteristics that the first auxiliary ratchet 112 is meshed with the first main ratchet 104, the second auxiliary ratchet 113 and the third auxiliary ratchet 114 are meshed with the second main ratchet 105, and the fourth auxiliary ratchet 115 and the fifth auxiliary ratchet 116 are meshed with the third main ratchet 106, so as to drive the first auxiliary ratchet 112, the second auxiliary ratchet 113, the third auxiliary ratchet 114, the fourth auxiliary ratchet 115 and the fifth auxiliary ratchet 116 to rotate, wherein each rotating direction has a ratchet body corresponding to the first auxiliary ratchet 112, so as to realize tensioning or loosening operation of the nut.
Embodiment two:
Referring to fig. 1 and 2, a side wall of the mounting plate 101 remote from the stem 201 is fixedly mounted with a shield 202 by screws.
From the above, the protective cover 202 is installed on a side wall of the mounting plate 101 far away from the handle 201, so that the rotating component structure in the main body mechanism 100 is protected, damage is avoided, and the structural design is humanized.
The working principle of the utility model is as follows: the restraining head 118 is utilized to restrain and fix the bolt head, then the handle 201 is rotated, the middle shaft lever 103 is further driven to rotate to drive the first main ratchet 104, the second main ratchet 105 and the third main ratchet 106, wherein each rotating direction is provided with a ratchet body corresponding to the first main ratchet 104, in the utility model, the first auxiliary ratchet 112 is meshed with the first main ratchet 104, the second auxiliary ratchet 113 and the third auxiliary ratchet 114 are meshed with the second main ratchet 105, and the fourth auxiliary ratchet 115 and the fifth auxiliary ratchet 116 are meshed with the third main ratchet 106, so that the tensioning or loosening operation of the bolt is realized.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A pawl nut tensioner characterized in that: comprising
The main body mechanism (100) comprises a mounting disc (101) and a main bearing seat (102) arranged on the inner side wall of the mounting disc (101), a middle shaft rod (103) is rotationally connected to the main bearing seat (102), a first main ratchet wheel (104), a second main ratchet wheel (105) and a third main ratchet wheel (106) are fixedly arranged on the outer wall of the middle shaft rod (103), and a driving and mounting assembly is arranged on one side of the mounting disc (101);
The auxiliary mechanism (200) comprises a handle rod (201) arranged on one side of the outer portion of the mounting disc (101), and one end of the middle shaft rod (103) penetrates through the main bearing seat (102) and extends to one side of the outer portion of the mounting disc (101) to be fixedly connected with one end of the handle rod (201).
2. A claw nut tightening device as claimed in claim 1 wherein: the first main ratchet wheel (104), the second main ratchet wheel (105) and the third main ratchet wheel (106) are sequentially arranged from inside to outside.
3. A claw nut tightening device as claimed in claim 1 wherein: the drive installation component comprises a first installation shaft (107), a second installation shaft (108), a third installation shaft (109), a fourth installation shaft (110), a fifth installation shaft (111), a first auxiliary ratchet wheel (112), a second auxiliary ratchet wheel (113), a third auxiliary ratchet wheel (114), a fourth auxiliary ratchet wheel (115) and a fifth auxiliary ratchet wheel (116), wherein the first auxiliary ratchet wheel (112) is fixedly installed on the outer wall of the first installation shaft (107), the second auxiliary ratchet wheel (113) is fixedly installed on the outer wall of the second installation shaft (108), the third auxiliary ratchet wheel (114) is fixedly installed on the outer wall of the third installation shaft (109), the fourth auxiliary ratchet wheel (115) is fixedly installed on the outer wall of the fourth installation shaft (110), the fifth auxiliary ratchet wheel (116) is fixedly installed on the outer wall of the fifth installation shaft (111), the first auxiliary ratchet wheel (112) is meshed with the first main ratchet wheel (104), the second ratchet wheel (113) and the fourth auxiliary ratchet wheel (114) are meshed with the second main ratchet wheel (105), and the third auxiliary ratchet wheel (115) and the fifth auxiliary ratchet wheel (106) are meshed with the third main ratchet wheel (106).
4. A claw nut tightening device according to claim 3, wherein: five auxiliary bearing seats (117) are fixedly arranged on the inner side wall of the mounting disc (101) in a pentagon array, and the ends of the first mounting shaft (107), the second mounting shaft (108), the third mounting shaft (109), the fourth mounting shaft (110) and the fifth mounting shaft (111) are respectively connected with the five auxiliary bearing seats (117) in a rotating mode.
5. A claw nut tightening device according to claim 3, wherein: and one ends of the first mounting shaft (107), the second mounting shaft (108), the third mounting shaft (109), the fourth mounting shaft (110) and the fifth mounting shaft (111) far away from the auxiliary bearing seat (117) are fixedly connected with a constraint head (118).
6. A claw nut tightening device as claimed in claim 1 wherein: a protective cover (202) is fixedly arranged on one side wall, far away from the handle (201), of the mounting disc (101) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323262804.2U CN221436339U (en) | 2023-11-30 | 2023-11-30 | Wheel claw nut tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323262804.2U CN221436339U (en) | 2023-11-30 | 2023-11-30 | Wheel claw nut tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221436339U true CN221436339U (en) | 2024-07-30 |
Family
ID=92054915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323262804.2U Active CN221436339U (en) | 2023-11-30 | 2023-11-30 | Wheel claw nut tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221436339U (en) |
-
2023
- 2023-11-30 CN CN202323262804.2U patent/CN221436339U/en active Active
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